EHEIM mini UP is a Mini-Internal filter for smaller aquariums (Nano cubes) 25 to 30 l. Itís small, gives excellent performance and is simple to fix to the tank with suction cups.https://www.aquaristikshop.com/aquaristic/EHEIM-Nano-Filter-mini-UP/220402/
- Shelby C. wrote about EHEIM Nano Filter mini UP in 2017:
This is a really good filter for specially nano tanks. It's slim profile makes it fit anywhere and is almost invisible. The water flow is really great and also adjustable flow rate.